Mixer base portion



FIG. 1 is a left side view of a mixer base portion according to thepresent invention.

FIG. 2 is a right side view of the mixer base portion of FIG. 1.

FIG. 3 is a rear view of the mixer base portion of FIG. 1.

FIG. 4 is a front view of the mixer base portion of FIG. 1.

FIG. 5 is a top view of the mixer base portion of FIG. 1.

FIG. 6 is a bottom view of the mixer base portion of FIG. 1.

The broken lines are provided in the drawings merely for illustratingthe enviroment in which the invention is used. The broken lines do notform part of the design sought to be patented.

The ornamental design for a mixer base portion, as shown and described.